From 2520e94fba4321425b337ac0e00daab779b769e2 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 6 Sep 2021 14:40:00 +0200 Subject: [PATCH] dma-mapping: fix the kerneldoc for dma_map_sg_attrs Add the missing description for the nents parameter, and fix a trivial misalignment. Fixes: 809921422ff3 ("dma-mapping: allow map_sg() ops to return negative error codes") Reported-by: Stephen Rothwell Signed-off-by: Christoph Hellwig --- kernel/dma/mapping.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 7ee5284bff585..06fec5547e7c7 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -206,7 +206,8 @@ static int __dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, /** * dma_map_sg_attrs - Map the given buffer for DMA * @dev: The device for which to perform the DMA operation - * @sg: The sg_table object describing the buffer + * @sg: The sg_table object describing the buffer + * @nents: Number of entries to map * @dir: DMA direction * @attrs: Optional DMA attributes for the map operation * -- 2.39.5